1561666860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{667379}}^1$

素因数の和:667407

約数の個数: 72

約数和(自身を含む): 5101452720

約数和(自身を除く): 3539785860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 667379, 1334758, 2002137, 2669516, 3336895, 4004274, 6006411, 6673790, 8008548, 8675927, 10010685, 12012822, 13347580, 17351854, 20021370, 24025644, 26027781, 30032055, 34703708, 40042740, 43379635, 52055562, 60064110, 78083343, 86759270, 104111124, 120128220, 130138905, 156166686, 173518540, 260277810, 312333372, 390416715, 520555620, 780833430, 1561666860]

約数ペア:

[(1, 1561666860), (2, 780833430), (3, 520555620), (4, 390416715), (5, 312333372), (6, 260277810), (9, 173518540), (10, 156166686), (12, 130138905), (13, 120128220), (15, 104111124), (18, 86759270), (20, 78083343), (26, 60064110), (30, 52055562), (36, 43379635), (39, 40042740), (45, 34703708), (52, 30032055), (60, 26027781), (65, 24025644), (78, 20021370), (90, 17351854), (117, 13347580), (130, 12012822), (156, 10010685), (180, 8675927), (195, 8008548), (234, 6673790), (260, 6006411), (390, 4004274), (468, 3336895), (585, 2669516), (780, 2002137), (1170, 1334758), (2340, 667379)]